{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["material", "process characterization", "concept or principle", "machine or equipment", "engineering feature", "machanical property"], "input": "3.1 AM suitability Additive manufacturing is a relatively new group of production processes , of which integration in industry is just starting to gain momentum ."}
{"material": [], "process characterization": [], "concept or principle": ["processes"], "machine or equipment": [], "engineering feature": [], "machanical property": []}